He likes to observe celestial bodies.

The astronomer conducted an observation of the night sky.

I was surprised when I saw his dirty room.

His gait is very light.

Ashigaru was a common infantry in Japan during the Warring States period.

I bought new at-home clothes.

He sprained his ankle.

The adult son who still lives at home is causing trouble for his parents.

The room rent is too high, so I'm looking for a new apartment.

He finished his work by squeezing out his energy.